The play happened early in the third quarter when Clark took on the block of Young during an Alfred Morris run. Clark dipped his left shoulder to take on the block and was struck in the back of the head by Young’s right shoulder.

Clark was sprawled out on the ground holding his head before walking off the field on his own power a few moments later.

Clark will have to undergo a series of ImPACT concussion test throughout the week before being medically cleared by the medical staff to play against New York Sunday afternoon

The Steelers are already shorthanded at safety with Troy Polamalu‘s calf injury. Will Allen and Ryan Mundy finished the game at safety on Sunday.

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Mark Kaboly is the Pittburgh Steelers beat writer for the Tribune-Review. Mark has covered more than 300 NFL football games in all 32 NFL cities as well as three Super Bowls -- XL in Detroit, XLIII in Tampa and XLV in Dallas. A Belle Vernon Area graduate, Mark earned a Bachelor of Arts degree in English with a specialization in journalism from California University of Pennsylvania. Mark lives in Port Vue with his wife, Jennifer; daughter Briella; and boys Rocco and Bugsley Pug